STORK TRONIC ST710-PWHVR.126, Wiring Diagram, Page: 24 / 27

Appendix C:
Table of actual values of the six-stage controller (Ac25_001) read via ST-Bus by
ReadRam and/or ReadRamBurst:
burst Description Unit
0 0;0 Actual value °C/bar
1 0;1 Actual power demand %
2 0;2 Setpoint °C/bar
3 0;3 Actual MIN value °C/bar
4 0;4 Actual MAX value °C/bar
5 1;0 Actual value °C
6 1;1 Actual power demand %
7 1;2 Setpoint °C
8 1;3 Actual MIN value °C
9 1;4 Actual MAX value °C
10 2;0 Actual value bar
11 2;1 Actual power demand %
12 2;2 Setpoint bar
13 2;3 Actual MIN value bar
14 2;4 Actual MAX value bar
15 3;0 Temperature sensor F1 directly °C
16 3;1 Linear sensor F2 directly bar
17 3;2 Number of active compressors
18 3;3 Number of active valves (bypass)
19 3;4 reserved (internal sensor F3) °C
20 4;0 Time hh:mm
21 4;1 Date tt.mm.
22 4;2 Year
23 4;3 Operating hours counter hours
24 4;4 Operating time of relay K1 hours
25 5;0 Operating time of relay K2 hours
26 5;1 Operating time of relay K3 hours
27 5;2 Operating time of relay K4 hours
28 5;3 Operating time of relay K5 hours
29 5;4 Operating time of relay K6 hours
30 6;0 Status S0 (see table on next page) binary
31 6;1 Status S1 (see table on next page) binary
32 6;2 Status S2 (see table on next page) binary
33 6;3 Status S3 (see table on next page) binary
34 6;4 Error E0 (see table on next page) binary
35 7;0 Error E1 (see table on next page) binary
36 7;1 Status I0 (see table on next page) binary
37 7;2 Status I1 (see table on next page) binary
38 7;3 Status I2 (see table on next page) binary
39 7;4 Status I3 (see table on next page) binary
When reading the actual value via ReadRamBurst, the first value (i.e. in front of the
Semicolon) is the requested index and the second value (i.e. behind Semicolon) is
the memory address in the reply.
The actual values 0...4 correspond to the display of the controller. If a temperature
sensor is connected, the display unit is “°C”, otherwise it is “bar”.